Hortensia (Hydrangea macrophylla)

Hortensia (Hydrangea macrophylla)
Si n ón i mos: Viburnum macrophyllum, Hydrangea opuloides, Hortensia hortensia, Hortensia opuloides
¿Tienes alguna duda, sugerencia o corrección acerca de este taxón? Envíanosla y con gusto la
atenderemos.
Foto: (c) Mauricio Mercadante, algunos derechos reservados (CC BY-NC-SA)
Ver todas las fotos etiquetadas con Hydrangea macrophylla en Banco de Imagénes »
Descripción de EOL Ver en EOL (inglés) →
Miscellaneous details 1
"Notes: Western Ghats, Cultivated, Native of East Asiatic Region"
Distribution 1
"Maharashtra: Kolhapur Kerala: All districts Tamil Nadu: Dindigul, Salem, Theni"
Description 2,3
Shrub c. 1 m tall, almost glabrous. Bark cinnamon coloured, loose, peel¬ing off in papery strips. Leaves
3-17.5 cm long, 1.5-15 cm broad, elliptic or ovate, abruptly narrow at both ends, serrate, acute or subacuminate, glabrous; petiole 2-3 cm long. Inflorescence globose cymes, 8-22 cm broad. Flowers
ebracteate, dimorphic, majority of the outer ones larger, sterile or functionally unisexual, a few central
ones fertile, dull white, faded pink or bluish. Sterile flower pedicels 3-3.5 cm long, with sparsely
appressed hairs; sepals 4-5, c. 2.8 cm long, 2.7 cm broad, rhomboid, light purple, prominently veined,
retuse; petals rudimentary, usually 4, minute, c. 3 mm long, 2 mm broad, ovate, acute, spreading;
stamens 8, filaments 1.5 mm long, slender; anthers 0.5 mm long; styles 2-3, 1 mm long, thick, divaricate;
stigmas capitate. Fertile flowers penta¬merous; pedicels 3 mm long, sparsely covered with short simple
hairs; sepals 5, small, triangular, 1.5 mm long, 1 mm broad, acute, fleshy, pink, persistent; petals 5, c. 5
mm long, 2.5 mm broad, elliptic-ovate, truncate at the base, acute, somewhat reflexed; stamens 10,
filaments slender, 3 mm long; anthers 1 mm long; ovary inferior, styles 3-4, thick, c. 1.5 mm long;
stigmas capitate.
Diagnostic 1
Habit: Shrub
Associations 4
Foodplant / spot causer
effuse colony of Corynespora dematiaceous anamorph of Corynespora cassiicola causes spots on live
leaf of Hydrangea macrophylla
In Great Britain and/or Ireland:
Foodplant / parasite
Oidium hortensiae parasitises Hydrangea macrophylla
Foodplant / spot causer
immersed pycnidium of Septoria coelomycetous anamorph of Septoria hydrangeae causes spots on leaf
of Hydrangea macrophylla
Flower/fruit 2,3
Fl. Per. June-August.
Barcode data: hydrangea macrophylla 5
The following is a representative barcode sequence, the centroid of all available sequences for this
species.
Comments 2,3
“The Green House Hydrangea” is a small ornamental shrub, admired for its dull white, faded pink and
beautiful blue flowers. Occasionally cultivated in the hill stations of W. Pakistan, where it can be
propagated easily by cuttings.
References
1. © India Biodiversity Portal, some rights reserved
2. Flora of Pakistan Vol. 0 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
3. © Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA, some rights
reserved
4. © BioImages, some rights reserved
5. © Barcode of Life Data Systems, some rights reserved